The tendency of preparing adipic acid and hexamethylene diamine from non-benzene materials is also introduced.
此外，还介绍了以非苯原料制备己二酸、己二胺的开发情况和市场动向。
The non-equilibrium stage model is used to simulate catalytic distillation process for cumene synthesis using low concentration propylene and benzene.
对苯与低浓度丙烯合成异丙苯的催化精馏过程建立非平衡级模型。
In synthesis method, the non-phytic acids such as hexahydroxy-benzene and starch are passed through chemical reactions to produce phytic acid.
合成法主要是以非植酸化合物为原料（如六羟基苯、淀粉等）通过化学反应制得。
CONCLUSION Because of the potential toxic effect on human by shoe mucilage with toluene, the non benzene mucilage in the shoe industry should be popularized.
结论：含甲苯的鞋胶对人体毒性大，应在鞋业中禁用含三苯的胶水。
Benzene and organic acid were determined with50 water samples respectively, and threshold for waters from reservoir and non-reservoir are confined.
分析了苯和有机酸各50个水样，确定了含油层水与非含油层水的分界值。
Benzene and organic acid were determined with50 water samples respectively, and threshold for waters from reservoir and non-reservoir are confined.
分析了苯和有机酸各50个水样，确定了含油层水与非含油层水的分界值。
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